The battle of ia drang valleygulf of tonkintet offensive showed americans the vietnam war was not nearly over as the government had suggested.

The affirmation is correct.

The Tet Offensive was the turning point in the Vietnam War. The number of defeats during this war is terrible. It was one of the bloodiest wars in history, and one that took a particularly high toll of civilian lives:

Also, the country was devastated by years of chemical warfare. Billions of dollars were wasted. Thousands of acres of forest were destroyed. For Vietnamese, it meant generations of deformed babies, miscarriages, cancers and all manner of illnesses.

i do not know if this question has options, but a main impact of the federal reserve act of 1913, which created the federal reserve bank, was the international use of the u.s. dollar, which soon became the world's leading currency - particularly during world war i, since many nations around the world asked the united states for money.